There are six words in the English language which have the letter combination of "UU". One of the words is 'Vacuum', can you name the other five?

Answer

Muumuu, Continuum, Duumvirate, Duumvir, Residuum, Vacuum

Muumuu - A long loose dress that hangs free from the shoulders
Continuum - A continuous extent, succession, or whole, no part of which can be distinguished from neighboring parts except by arbitrary division
Duumvirate - A regime or partnership of two persons
Duumvir - A member of a duumvirate
Residuum - Something remaining after removal of a part; a residue
Vacuum - A state of being sealed off from external
or environmental influences; isolationHide